Citação norma APA

Boyd, J. (1976). Tools for agriculture: A buyer's guide to low cost agricultural implements. Intermediate technology publications ltd.

Citação norma Chicago

Boyd, JOhn. Tools for Agriculture: A Buyer's Guide to Low Cost Agricultural Implements. London: Intermediate technology publications ltd, 1976.

Citação norma MLA

Boyd, JOhn. Tools for Agriculture: A Buyer's Guide to Low Cost Agricultural Implements. Intermediate technology publications ltd, 1976.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.